CVE-2025-59251

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

CVE-2025-59251 is fixed in 4 products on 1 platform, first by Microsoft Edge Dev 141.0.3500.1, released August 19, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.6

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0053

44th percentile

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge	140.0.3485.81	Microsoft Edge 140.0.3485.81	Sep 18, 2025
Microsoft Edge Beta	141.0.3537.13	Microsoft Edge Beta 141.0.3537.13	Sep 11, 2025
Microsoft Edge Dev	141.0.3500.1	Microsoft Edge Dev 141.0.3500.1	Aug 19, 2025
Microsoft Edge WebView2 Runtime	140.0.3485.81	Microsoft Edge WebView2 Runtime 140.0.3485.81	Sep 18, 2025

Details

Published
September 24, 2025
Weakness
Stack-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59251

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